Weighing machine



FIG. 1 is a front elevational view of a weighing machine in accordance with the design of our invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front, top and right side, perspective view thereof. 

The ornamental design for a weighing machine, as shown. 